L-g
s (oe
.
o(6?
s(8r
-
sU,v
v(sr"
v (sr
s(w
r
- vlzt-'
(ev
v(w
_ v(oz
c
(oe
a
(se
""" __e.ks
c
(ge
o
(ss
.-a(ru
a (ees (ze
._f0e
s(oe
"
v (ez
.r(ez
"
sm-'
tbz
)Jpz
t \tz
t (tz
v (zz
"-affi*
v
(oz
r
(er
s (er
vUt
c (sr
ffi
c
(pr
s (sr
,.F
G-*
s (zt
a (rr
s (or
ct (6
v(s
oU,
''q€
vG
e(r
,aGs(z
v(r
1+yw)
ICIH-IIIJNn :atuer4sal
da;
rarvrsuY
1) Which nonmetal exists as a diatomic solid?
B)
A)
phosphorus
iodine
C)
bromine
D)
antimony
E) boron
2) Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic.
Element X is
B)Ca
A)Rb
C)Al
D)H
E)P
D)K
E) Ga
3) V{hich of the following has the largest ggcong! ionization energy?
-.
A) Ca
B) Se
C) Ge
Consider the following electron configurations to answer the questions that folloro:
(i)
(it
k2 2&
2p6 3s1
z& zp6 39(iii) 1s2 2* zp6 3& zp1
(iv) 1s2 2s2 Zp6 3& ZpA
(v) 1J 2&zp6 a* eos
1s2
4)Thee1ectronconfigurationoftheatomthatisexpectedtohaveapositiveelectronaffinityis-.
B) (ii)
A) (i)
c) tiii)
D) (iv)
E) (v)
5)Theelectronconfigurationbe1ongingtotheatomwiththehighestsecondionizationenergyis-.
D) (iv)
E) (v)
B) (ii)
c) (iii)
A) (i)
6) The electron configuration that belongs to the atom with the lowest second ionization energy is
E) (v)
D) (iv)
c) (iii)
A) (0
B) (ii)
7) In generaf as you go across a period in the periodic table from left to right:
(1) the atomic radius
negative; and
(2) the electron affinity becomes
(3) the first ionization enersv
A) decreases, increasingly, decreases
B) increases, increasingly, increases
C) decreases, decreasingly, increases
D) decreases, increasingly, increases
E) increases, increasingly, decteases
8) Which of the following is an isoelectronic series?
A) o2-,
piNe,lta*
B) Si2-,
p2-,9-,C12-
C) B5-, Si4-, As3-,Te2-
D)
S, CL
Ar, K
E) F-, Cl-,
Br-,I-
is credited with developing the concePt of atomic numbers.
A) Ernest Rutherford
9)
-
B) Michael Faraday
C) Lothar Meyer
D) Henry Moseley
E) Dmitri Mendeleev
B-1
uJt6fu
10)
All the elements in group 8A are gases at room temperature. Of all the groups in the periodic table, only group
contains examples of elements that are gas, liquid, and solid at room temperature.
E)'7A
D) 2A
c) 14'
B) sA
A) 5A
11) Atomic radius generally increases as we move
A) up a group and from left to right across a period
B) up a group and from right to left across a period
C) down a group and from left to right across a period
D) down a group; the period position has no effect
E) down a group and from right to left across a period
12) Elements in the modern version of the periodic table are arranged in order of increasing
A) atomic mass
B) atomic number
C) oxidation number
D) average atomic mass
E) number of isotopes
13) Consider the following properties of an element:
(i)
(i0
It is solid at room temperature.
It easily forms an oxide when exposed to air.
(iii) \alhen it reacts with water, hydrogen
(iv) It mustbe stored submerged in oil.
1
gas evolves.
/hich element fits the above description the best?
A)
magnesium
B)
copper
C)
mercury
D)
sulfur
E) sodium
14)-havethelowestfirstionizationenergieso{thegroups1isted.
A) Noble gases
B) Alkaline earth metals
C) Transition elements
D) Alkali metals
E) Halogens
with the smallest diameter is
B) FA) 02-
15) The ion
C) Br-
D) Cl-
E)r
i6) \ /hich of the following correctly hsts the five atoms in order of increasing size (smallest to largest)?
A)O < F < S < Ba < Mg
B)F < O < S < Ba < Mg
C)O < F < S < Mg < Ba
D)F < O < S < Mg < Ba
E)F. S < O < Mg < Ba
17) I /hich one of the following has the smallest radius?
A) Cl
B) Fe
C)P
B-2
D) Br
E) Na
18) What is the coefficient of H2O when the
Ba (s)
+ H2O (l)
#ttl-
following equation is completed and balancer
*
A)1
B)2
c)3
D)5
E) Ba(s) does not react with H2O (l).
19) Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar?
A)Mg > Na > P > Si > Ar
B)Ar > P > Si > Mg > Na
C)Na > Mg > Si > P > Ar
D)Si > P > Ar > Na > Mg
E)At > Si > P > Na> Mg
20) Nonmetals can
be
at room temperature.
A) solid, liquid or gas
B) liquid only
C) liquid or gas
D) solid only
E) solid or liquid
21)
Ail of the following
A)
Na2SO4
are ionic compounds except
B) SiO2
C) NaCl
D) K2o
E)
Li3N
22) In which of the following atoms is the 3s orbital closest to the nucleus?
A) At
B) Br
c) cl
D)I
E) The 3s orbitals are the same distance from the nucleus in all of these atoms.
23) \a/hich of the following generalizations cannot be made with regard to reactions of alkali metals? (The symbol
M represents any one of the alkali metals.)
MZS (s)
A) 2M (s) + S (s)
*
+ 2H2O (l) * 2MOs (aq) + Hz G)
C) M (s) + Oz (g) * MQ (s)
D) 2M (s) + H2 (g) * 2MH (s)
E) 2M (s) + Cl2 (g) * 2MCl (s)
B) 2M (s)
24) The atomic radius of main-group elements generally increases down a group because
A) effective nuclear charge increases down a group
B) effective nuclear charge zigzags down a group
C) the principal quantum number of the valence orbitals increases
D) effective nuclear charge decreases down a group
E) both effective nuclear charge increases down a group and the principal quantum number of the valence
orbitals increases
B-3
OdrTQ*
25) In which of the following atoms is the 2s orbital closest to the nucleus?
A)P
B) Si
c) cl
D)S
E) The 2s orbitals are the same distance from the nucleus in all of these atoms.
26) Ot the following
species,
A) Kr
B)
has the largest radius.
Ar
C) Br-
24 \ /hich one of the following atoms has the largest radius?
c) cl
A) Ne
B)S
28) Of the following
A)B
elements,
B)Al
D) Sr2+
E) Rb+
D)O
E)F
has the most negative electron affinity.
D)Si
C)Cl
E)P
as you go from left to right across a period of the
29) The first ionization energies of the elements
periodic tablg
as you go from the bottom to the top of a group in the table.
A) increase, increase
B) increase, decrease
C) decrease, increase
and
-
D) decrease, decrease
E) are completely unpredictable
30) \
ftich element would
be expected to have chemical and physical properties closest to those of fluorine?
A)o
B)Cl
D)Ne
C)Fe
E)S
31) Oxides of the active metals combine with acid to form
A) metal hydrides
B) hydrogen gas
C) water and a salt
-
D) metal hydroxides
E) oxygen gas
32) Of the following
metals,
B)V
A) Al
exhibits multiple oxidation states.
D) Cs
C) Na
E) Ca
33) In which set of elements would all members be expected to have very similar chemical properties?
E) N, O, F
D) O, S,
C) Na, Mg,
B) Ne, Na,
A) S, Se,
34) Of the following
A)B
elements,
B)o
35) The reaction of a metal
A) base
K
Mg
Sl
with
Se
has the most negative electron affinity.
C)S
D)Na
E)K
D) salt
E) hydroxide
a nonmetal produces a(n)
B) acid
C)
oide
-.
B-4
vOtr,]-e_
36)2F2G)+2H2O(l)+_.
A) 2 F- (aq)
*
2 H+
(aq) + H2O2 (aq)
B) 2 HF (aq)+ 2 HFo (aq)
C) 2 HF2 (aq)
*
2
OH- (aq)
* oz (g)
E) 4 HF (aq) * 2 02- (aq)
D) 4 HF (aq)
37) Na reacts with element X to form an ionic compound with the formula NaSX. Ca
A) CaX2
38) Of the choices below,
B) CaX
C) Ca3X
D) Ca2X3
will
react with X to form
E) Ca3X2
whidr gives the order for first ionization energies?
t Si > Cl > Al > Ar
B)Cl>S>Al>Si>Ar
A)S
C)Cl > S > Al > Ar > Si
D)Ar > Cl > S > Si > Al
E)Al > Si > S > Cl > Ar
39) Vvhich equation correctly represents the first ionization of phosphorus?
A)P-(g) * P(g) + eB)P*(g) + e- - P(g)
C)P(S) + e- * P-(g)
D)P(g) + P+(g) + eE)P(g) + P-(g) * e40)ofthefollowingelements,-hasthemostnegativee1ectronaffinity.
A) Cl
B)I
C)S
D) Se
41) \
/hidt of the following correctly represents the second ionization of aluminum?
A) Al+ (g) + tr12+ (g) * eB) Al+ (g) * e- * Al (g)
C) Al (g) * Al+ (8) + eD) Al- (g) * e- * et2- (g)
E) At+ (g) * e- * a12+ 6;
tt2) Oxides of most nonmetals combine
with water to form
A) an acid
B) hydrogen gas
C) water
D) water and a salt
E) a base
B-5
E) Br
43) Which of the following is not a characteristic of metals?
'.,o&,ltt-
A) ductility
B) malleability
C) acidic oxides
D) low ionization energies
E) These are all characteristics of metals.
44)CU(g) + H2o(l) *
A) Cl2 (aq) + H2o (l)
B) 2 HCI (aq) * Q- G)
c) 2 HCI (aq) * oz (e)
D) 2 Cl- (aq)
E) HCI (aq)
* H2o (l)
+ HOCI (aq)
45) Which ion below has the largest radius?
A) Br-
B) Na+
D)
C) F-
f+
E)
Cl-
46) Element M reacts with chlorine to form a compound with the formula MC12. Element M is more reactive than
magnesium and has a smaller radius than barium. This element is
A)Sr
B)Be
C)Ra
-.-.--.
D)Na
E)K
47) Chlorine is much more apt to exist as an anion than is sodium. This is because
A) chlorine has a greater ionization energy than sodium does
B) chlorine is bigger than sodium
C) chlorine is a gas and sodium is a solid
D) chlorine has a greater electron affinity than sodium does
E) chlorine is more metallic than sodium
48) Of the
following atoms, which has the largest first ionization energy?
B)P
C)I
A) Br
substance,
A) H2o
49) The
D)C
is always produced when an active metal reacts with water.
c)
D)
B)
Cq
NaoH
Hz
50)-isisoelectronicwithargonandisisoelectronicwithneon.
D) Cl-, Cl+
B) Cl-, FC) F+, FA) Ne-, K1+
8-6
E)O
q
q
E) Ne-, Ar+